IS型单级单吸卧式清水离心泵适用于工业和城市给排水、高层建筑增压送水、园林喷灌、消防增压、远距离输送、暖通制冷循环、浴室等冷暖水循环增 压及设备配套，使用温度T≤80℃。
Horizontal single stage and single suction centrifugal pump model IS applies to industrial and urban water supply and drainage, pressurized water supply for high-rise buildings, sprinkling irrigation for gardens, pressurization for fire fighting, long distance conveyance, refrigeration cycle for heating and ventilation and the pressurization and supporting equipment for cool and water cycle at bathroom and operates at the temperature ≤80℃.
IS型单级单吸卧式清水离心泵运抵现场时，都已装好电机；找平底座时，可不必卸下水泵和电机。按装IS型单级单吸卧式清水离心泵的基础平面应用水平找平，待基础水泥凝固后将IS型单级单吸卧式清水离心泵按装在基础上，并用水平仪检查水平情况，如不平，应用垫铁调正，直到水平为止，然后通过灌浆孔由混凝土浇灌底座和地脚螺栓孔眼。水泥干固后，检查底座和地脚螺栓是否松动，合适后拧紧地脚螺栓的螺母，最后再检查一下整台机组的水平度，稍有不平时，可用斜铁找平。IS型单级单吸卧式清水离心泵的吸入管路和吐出管路应有各自的支架，不允许管路重量直接由IS型单级单吸卧式清水离心泵承受。泵轴与电机旋转方向应一致，否则，以三相异步电动机为动力时，只要把三根引线中任意两根对换位置连接即可。IS型单级单吸卧式清水离心泵的按装位置高于液面（泵的吸程允许范围内）时，应在吸入管路端部装上底阀，并在排水管路上设置灌液孔或阀门，供启动前灌液之用。IS型单级单吸卧式清水离心泵的按装位置低于液面时，在吸入管路装上控制阀门。IS型单级单吸卧式清水离心泵的按装高度必须根据汽蚀余量NPSHr的要求，避免发生汽蚀。
Horizontal single stage and single suction centrifugal clear water pump model IS has been provided with a motor before arriving at the site; it's not necessary to remove the water pump and motor during pedestal alignment. . Horizontal leveling shall be performed for the foundation plane of horizontal single stage single suction centrifugal clear water pump model IS. Mount the pump on foundation after the cement setting and check the leveling condition with a level meter. In case of mis-alignment, the iron block shall be used for alignment until the leveling is properly made. And then pour concrete to pedestal and foundation bolt hole through injection hole. . Check if the pedestal and foundation bolt are loose after the cement setting. In case it is confirmed that the pedestal and foundation bolt are properly tightened, please screw up the nuts of foundation bolts and check the levelness of the whole unit. Use a slide wedge for leveling when the unit is a little out of level. . The suction line and outlet line of horizontal single stage and single suction centrifugal clear water pump model IS shall be provided with separate supports. The weight of pipeline is not allowed to be borne directly by the pump. . The pump spindle and motor shall rotate in the same direction. Otherwise, you just need to exchange the positions of any two of the three leads when three-phase asynchronous motor is used as the drive. . When the mounting position of horizontal single stage and single suction centrifugal clear water pump model IS is at a level higher than the liquid level (within the allowable range of suction lift), please mount a bottom valve at the end of suction line and set a injection hole or valve on drain line for liquid injection before startup. . When the mounting position of horizontal single stage and single suction centrifugal clear water pump model IS is at a level lower than liquid level, please mount a control valve on suction line. . The mounting height of horizontal single stage and single suction centrifugal clear water pump model IS must be in accordance with the requirement of NPSHr so as to avoid cavitations.
IS型单级单吸卧式清水离心泵是卧式单级单吸清水离心泵，IR型泵是卧式单级单吸清水离心泵（最高工作温度120慑氏度），供吸送清水及物理化学性质类似水不含固体颗粒的液体。它广泛适用于工农业及城市、排水、消防供水等。
As a horizontal single stage and single suction centrifugal clear water pump (maximum working temperature 120℃), model IS is used for suction and conveyance of clear water and the liquids with the same physicochemical properties as water that contain no solid particulates and is widely used in industrial, agricultural and urban drainage and fire supply etc..
IS型单级单吸卧式清水离心泵系根据国际标准ISO2858所规定的性能和尺寸设计，其技术标准均向国际标准靠拢，达到国际先进水平。它是我国推广的节能泵类产品之一。
Designed according to the performance and dimensions specified in ISO 2858 standard, horizontal single stage and single suction centrifugal clear water pump model IS has reached a international advanced level and become one of energy saving pumps promoted in China.
该泵结构简单，性能可靠，体积小、重量轻，抗腐蚀性能好，电耗低，使用维修方便。
This pump features simple structure, reliable performance, compactness, light weight, strong corrosion resistance, low power consumption and convenient operation and maintenance.
IS型泵通用性广，全系列工140种规格，但只用四种轴；同一规格的轴，轴承、轴封、叶轮紧固件等均能互换；全系列泵的悬价也只有四种。
Pump model IS is widely versatile and include 140 specifications; however, there are only four types of shafts; the shaft, shaft bearing, shaft gland and impeller fastener of the same specification etc. are interchangeable; there are only four hangers for the full line of pumps.
泵转速分为2900和1450转/分两种。
性能如下： 2900转/分 1450转/分
****流量： 240立方米/分 400立方米/分
最高总扬程： 125米 55米
最高转速： 3500转/分（用于60调波电源时，叶轮直径所有减少）
最高工作温度 80慑氏度 120慑氏度
允许吸入管路压力 0.3MPa.泵的最高使用压力1.6MPa
Pump speed: 2900 rpm, 1450 rpm..
Performance: 2900 rpm?? 1450 rpm.
Maximum flow: 240 cubic meters/min, 400 cubic meters/min.
Maximum total head: 125m, 55m.
Maximum speed: 3500 rpm (for 60-harmonic power supply, all impeller diameters shall be reduced).
Maximum working temperature 80℃,120℃.
Allowable pressure of suction line 0.3MPa. MWP of the pump is 1.6MPa.
| 型号 Model | 流量 Flow mз/h | 扬程 Head m | 转速 Speed r/min | 电机功率 Motor Power KW | 口径 Caliber (mm) | |
| 吸入 Inhale | 排出 Discharge | |||||
| 50-32-125 | 12.5 | 20 | 2900 | 2.2 | 50 | 32 |
| 6.3 | 5 | 1450 | 0.55 | 50 | 32 | |
| 50-32-160 | 12.5 | 32 | 2900 | 3 | 50 | 32 |
| 6.3 | 8 | 1450 | 0.55 | 50 | 32 | |
| 50-32-200 | 12.5 | 50 | 2900 | 0.5 | 50 | 32 |
| 6.3 | 12.5 | 1450 | 0.75 | 50 | 32 | |
| 50-32-250 | 12.5 | 80 | 2900 | 11 | 50 | 32 |
| 6.3 | 20 | 1450 | 1.5 | 50 | 32 | |
| 65-50-125 | 25 | 20 | 2900 | 3 | 65 | 50 |
| 12.5 | 5 | 1450 | 0.55 | 65 | 50 | |
| 65-50-160 | 25 | 32 | 2900 | 5.5 | 65 | 50 |
| 12.5 | 8 | 1450 | 0.75 | 65 | 50 | |
| 65-40-200 | 25 | 50 | 2900 | 7.5 | 65 | 40 |
| 12.5 | 12.5 | 1450 | 1.1 | 65 | 40 | |
| 65-40-250 | 25 | 80 | 2900 | 15 | 65 | 40 |
| 12.5 | 20 | 1450 | 2.2 | 65 | 40 | |
| 65-40-315 | 25 | 125 | 2900 | 30 | 65 | 40 |
| 12.5 | 32 | 1450 | 4 | 65 | 40 | |
| 80-65-125 | 50 | 20 | 2900 | 5.5 | 80 | 65 |
| 25 | 5 | 1450 | 0.75 | 80 | 65 | |
| 80-65-160 | 50 | 32 | 2900 | 7.5 | 80 | 65 |
| 25 | 8 | 1450 | 1.5 | 80 | 65 | |
| 80-50-200 | 50 | 50 | 2900 | 15 | 80 | 50 |
| 25 | 12.5 | 1450 | 2.2 | 80 | 50 | |
| 80-50-250 | 50 | 80 | 2900 | 22 | 80 | 50 |
| 25 | 20 | 1450 | 3 | 80 | 50 | |
| 80-50-315 | 50 | 125 | 2900 | 37 | 80 | 50 |
| 25 | 32 | 1450 | 5.5 | 80 | 50 | |
| 100-80-125 | 100 | 20 | 2900 | 11 | 100 | 80 |
| 50 | 5 | 1450 | 1.5 | 100 | 80 | |
| 100-80-160 | 100 | 32 | 2900 | 15 | 100 | 80 |
| 50 | 8 | 1450 | 2.2 | 100 | 80 | |
| 100-65-200 | 100 | 50 | 2900 | 22 | 100 | 65 |
| 50 | 12.5 | 1450 | 4 | 100 | 65 | |
| 100-65-250 | 100 | 80 | 2900 | 37 | 100 | 65 |
| 50 | 20 | 1450 | 5.5 | 100 | 65 | |
| 100-65-315 | 100 | 125 | 2900 | 75 | 100 | 65 |
| 50 | 32 | 1450 | 11 | 100 | 65 | |
| 125-100-200 | 200 | 50 | 2900 | 45 | 125 | 100 |
| 100 | 12.5 | 1450 | 7.5 | 125 | 100 | |
| 125-100-250 | 200 | 80 | 2900 | 75 | 125 | 100 |
| 100 | 20 | 1450 | 11 | 125 | 100 | |
| 125-100-315 | 200 | 125 | 2900 | 110 | 125 | 100 |
| 100 | 32 | 1450 | 15 | 125 | 100 | |
| 125-100-400 | 100 | 50 | 1450 | 30 | 125 | 100 |
| 150-125-250 | 200 | 20 | 1450 | 18.5 | 150 | 125 |
| 150-125-315 | 200 | 32 | 1450 | 30 | 150 | 125 |
| 150-125-400 | 200 | 50 | 1450 | 45 | 150 | 125 |
| 200-150-250 | 400 | 20 | 1450 | 37 | 200 | 150 |
| 200-150-315 | 400 | 32 | 1450 | 55 | 200 | 150 |
| 200-150-400 | 400 | 50 | 1450 | 90 | 200 | 150 |
五、型号意义
六、结构说明：
| 1 | 泵体 Pump | 6 | 叶轮螺母 Impeller nut |
| 2 | 泵盖 Pump Cover | 7 | 垫圈 Washer |
| 3 | 叶 轮 Impeller | 8 | 轴套 Bush |
| 4 | 轴 Axis | 9 | 填料环 Packing ring |
| 5 | 密封圈 Ring | 10 | 填料 Packing |
| 11 | 悬架 Suspension |
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